DuPont explosive rivet, improved to fit need of assembly line methods of mass production, is set with a DuPont riveting iron. Electrically heated iron fires tiny explosive charge in rivet, expanding it to make tight fastening and eliminating need...

DuPont explosive rivet, improved to fit need of assembly line methods of mass production, is set with a DuPont riveting iron. Electrically heated iron fires tiny explosive charge in rivet, expanding it to make tight fastening and eliminating need...

Text from image: "I need your skill in a War Job! If you know one of these trades and are not in real war work, you are badly needed: Airplane Skin Man; Airplane Subassembler; Ammunition Inspector; Assembler, Ship; Bench Hand, Metal Work; Bus...

Taken from New York Herald, U.S. Merchant Marine Supplement; Text from image: "A Nation Must Control its Overseas Commerce -- No nation can be really great that does not control its overseas commerce. The upbuilding and operation of ships are...

Table of Contents: Reviewing the 140th year; Colonial re-creation; Fires that need never happen; Quarrying and mining limestone; Prevention of waste is a national need; Fairprene improves airplanes; DuPont makes the rayon story graphic.

New DuPont explosive rivet, improved for peacetime use in mass production. Speeds up fabrication of bus body parts. Single operator sets rivets with electrically heated DuPont riveting iron which discharges explosive in rivet expanding it to make...

Table of Contents: Dynamite fear complex; Camels take out quality insurance; Quarrying vanport limestone; They can be used again and again; An educational service; Do you need a new golf bag; The middle Rio Grande conservancy project; Introducing...

Hendrick is thinking about exchanging the wheels on his steam automobile surrey. Hendrick inquires about the time it would take to send artillery wheels and what data the company would need to fit them to [his] machine.

Hendrick is thinking about exchanging the wheels on his steam automobile surrey. Hendrick inquires about the time it would take to send artillery wheels and what data the company would need to fit them to [his] machine.

Hendrick is thinking about exchanging the wheels on his steam automobile surrey. Hendrick inquires about the time it would take to send artillery wheels and what data the company would need to fit them to [his] machine.

Text from image: "We'll Take Care of the Rising Sun, You Take Care of Rising Prices: 1. Buy and hold War Bonds; 2. Pay willingly our share of taxes; 3. Provide adequate life insurance and saving for our future; 4. Reduce our debts as much as...

Table of Contents: On a fast track to the top; Old plots tell a new story; Over the long haul; Competing for customers amid cookware clutter; The don't-do-it-yourself pros; Keeping tabs on wool; A road runs through it; It's a big world, somebody's...

These contact optical lenses of Lucite methyl methacrylate resin, worn next to the eyeball to correct defective vision, weigh 40% as much as optical glass and are virtually unbreakable and invisible. They now are used by about 5,000 people,...

Table of Contents: A step in the right direction; A mover and shaker in salt mines; Rescuing an architectural wonder; First line of defense against oil spills; The conservation of fine paintings; With many tanks from CBI; As good as the original;...

Mentions rumor of men coming from Maryland to rob the Delaware magazine, 4 nephews and other men went to guard it, and men from Pennsylvania will be camped at Brandywine Springs for protections as well. Also, mentions need for Lincoln to force...